Oral history interview with Albert Risley conducted by his granddaughter, Wendy Dalmas, on February 27, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Risley discusses the development of Boulder City, Nevada after his transfer there from Denver, Colorado in 1944. Risley discusses creating a point-based system which was used to assign housing to government employees based on their status and needs. Risley describes life in Boulder City during World War II, and the nearby U.S. Army camp, Camp Williston, which was established to protect Boulder (Hoover) Dam during the war. Risley also describes observing nuclear weapons tests and his later career as a Contracting Officer and Procurement Officer for the Lower Colorado Region after being promoted in 1971.

Oral history interview with Nanyu Tomiyasu conducted by Mark French on April 12, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Tomiyasu begins by discussing his father's immigration from Japan to North America in 1898, and his move to Las Vegas, Nevada in 1916. He talks about his father's work in agriculture and the types of crops grown in Las Vegas during the early twentieth century. Tomiyasu also discusses his own upbringing in Las Vegas, how the city has changed and grown, and his education. Tomiyasu describes the Native Americans of Southern Nevada, the environmental changes caused by the construction of the Hoover Dam (Boulder Dam), and his experiences as a Japanese American in Las Vegas.